ci: modified workflows to pick jdk from respective pom files (#41611)

## Description
> [!TIP]  
> _Add a TL;DR when the description is longer than 500 words or
extremely technical (helps the content, marketing, and DevRel team)._
>
> _Please also include relevant motivation and context. List any
dependencies that are required for this change. Add links to Notion,
Figma or any other documents that might be relevant to the PR._


Fixes #`Issue Number`  
_or_  
Fixes `Issue URL`
> [!WARNING]  
> _If no issue exists, please create an issue first, and check with the
maintainers if the issue is valid._

## Automation

/ok-to-test tags=""

### 🔍 Cypress test results
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> If you modify the content in this section, you are likely to disrupt
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## Communication
Should the DevRel and Marketing teams inform users about this change?
- [ ] Yes
- [ ] No


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Chores**
* Streamlined CI/CD Java environment setup by implementing automatic
version detection from project configuration files across all build
workflows.
* Enhanced deployment configuration to support dynamic Docker image
repository and tag selection through environment variables, with
fallback values for backward compatibility.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: sondermanish

.github/actions/setup-server-java/action.yml

@@ -0,0 +1,34 @@
+name: "Setup Server Java"
+description: "Sets up JDK using the java.version property from app/server/pom.xml"
+
+inputs:
+  pom-path:
+    description: "Path to the pom.xml containing the <java.version> property"
+    required: false
+    default: "app/server/pom.xml"
+
+outputs:
+  java-version:
+    description: "The Java version that was set up"
+    value: ${{ steps.extract.outputs.version }}
+
+runs:
+  using: "composite"
+  steps:
+    - name: Extract Java version from pom.xml
+      id: extract
+      shell: bash
+      run: |
+        version=$(grep -oP '<java.version>\K[^<]+' "${{ inputs.pom-path }}")
+        if [[ -z "$version" ]]; then
+          echo "::error::Could not extract java.version from ${{ inputs.pom-path }}"
+          exit 1
+        fi
+        echo "version=$version" >> $GITHUB_OUTPUT
+        echo "Detected Java version: $version"
+
+    - name: Set up JDK ${{ steps.extract.outputs.version }}
+      uses: actions/setup-java@v4
+      with:
+        distribution: "temurin"
+        java-version: ${{ steps.extract.outputs.version }}

.github/workflows/github-release.yml

@@ -117,11 +117,8 @@ jobs:
       - name: Checkout the code
         uses: actions/checkout@v4
 
-      - name: Set up JDK 17
-        uses: actions/setup-java@v4
-        with:
-          distribution: "temurin"
-          java-version: "17"
+      - name: Set up JDK from dependency file
+        uses: ./.github/actions/setup-server-java
 
       # Retrieve maven dependencies from cache. After a successful run, these dependencies are cached again
       - name: Cache maven dependencies

.github/workflows/server-build.yml

@@ -159,12 +159,8 @@ jobs:
         run: echo "I'm alive!" && exit 0
 
       # Setup Java
-      - name: Set up JDK 17
-        if: steps.run_result.outputs.run_result != 'success'  && (steps.changed-files-specific.outputs.any_changed == 'true' ||  github.event_name == 'push' || github.event_name == 'workflow_dispatch' || github.event_name == 'schedule')
-        uses: actions/setup-java@v4
-        with:
-          distribution: "temurin"
-          java-version: "17"
+      - name: Set up JDK from dependency file
+        uses: ./.github/actions/setup-server-java
 
       - name: Conditionally start PostgreSQL
         if: |

.github/workflows/server-integration-tests.yml

@@ -59,11 +59,8 @@ jobs:
         uses: actions/checkout@v4
 
       # Setup Java
-      - name: Set up JDK 17
-        uses: actions/setup-java@v4
-        with:
-          distribution: "temurin"
-          java-version: "17"
+      - name: Set up JDK from dependency file
+        uses: ./.github/actions/setup-server-java
 
       - name: Conditionally start PostgreSQL
         if: |

.github/workflows/server-spotless.yml

@@ -25,12 +25,9 @@ jobs:
           ref: refs/pull/${{ inputs.pr }}/merge
 
       # Setup Java
-      - name: Set up JDK 17
-        uses: actions/setup-java@v4
-        with:
-          distribution: "temurin"
-          java-version: "17"
-
+      - name: Set up JDK from dependency file
+        uses: ./.github/actions/setup-server-java
+        
       # Run maven step for spotless check
       - name: Run spotless check
         run: mvn spotless:check

scripts/deploy_preview.sh

@@ -92,8 +92,8 @@ helm show chart appsmith-ee/$HELMCHART || echo "helm show chart failed (non-bloc
 
 echo "Deploying Appsmith Helm chart..."
 helm upgrade -i "$CHARTNAME" "appsmith-ee/$HELMCHART" -n "$NAMESPACE" --create-namespace --recreate-pods \
-  --set _image.repository="$DOCKER_HUB_ORGANIZATION/appsmith-dp" \
-  --set _image.tag="$IMAGE_HASH" \
+  --set _image.repository="${IMAGE_REPOSITORY:-$DOCKER_HUB_ORGANIZATION/appsmith-dp}" \
+  --set _image.tag="${IMAGE_TAG:-$IMAGE_HASH}" \
   --set _image.pullPolicy="Always" \
   --set image.pullSecrets="$SECRET" \
   --set autoscaling.enabled=true \