fix(docs): readme samples versioning

Author: henrygriffiths

README.md

@@ -178,7 +178,7 @@ this action will always consider the `HTTP_PROXY` environment variable.
 
 Manually configured proxy:
 ```yaml
-uses: aws-actions/configure-aws-credentials@v4.1.0
+uses: aws-actions/configure-aws-credentials@v4.2.1
 with:
   aws-region: us-east-2
   role-to-assume: my-github-actions-role
@@ -249,13 +249,13 @@ line.
 <summary>Inline session policy examples</summary>
 
 ```yaml
-      uses: aws-actions/configure-aws-credentials@v4
+      uses: aws-actions/configure-aws-credentials@v4.2.1
       with:
          inline-session-policy: '{"Version":"2012-10-17","Statement":[{"Sid":"Stmt1","Effect":"Allow","Action":"s3:List*","Resource":"*"}]}'
 ```
 Or we can have a nicely formatted JSON as well:
 ```yaml
-      uses: aws-actions/configure-aws-credentials@v4.1.0
+      uses: aws-actions/configure-aws-credentials@v4.2.1
       with:
          inline-session-policy: >-
           {
@@ -281,13 +281,13 @@ the role.
 <summary>Managed session policy examples</summary>
 
 ```yaml
-      uses: aws-actions/configure-aws-credentials@v4.1.0
+      uses: aws-actions/configure-aws-credentials@v4.2.1
       with:
          managed-session-policies: arn:aws:iam::aws:policy/AmazonS3ReadOnlyAccess
 ```
 And we can pass multiple managed policies likes this:
 ```yaml
-      uses: aws-actions/configure-aws-credentials@v4.1.0
+      uses: aws-actions/configure-aws-credentials@v4.2.1
       with:
          managed-session-policies: |
           arn:aws:iam::aws:policy/AmazonS3ReadOnlyAccess
@@ -325,7 +325,7 @@ You can specify the audience through the `audience` input:
 
 ```yaml
     - name: Configure AWS Credentials for China region audience
-      uses: aws-actions/configure-aws-credentials@v4.1.0
+      uses: aws-actions/configure-aws-credentials@v4.2.1
       with:
         audience: sts.amazonaws.com.cn
         aws-region: cn-northwest-1
@@ -399,7 +399,7 @@ Examples
 ### AssumeRoleWithWebIdentity
 ```yaml
     - name: Configure AWS Credentials
-      uses: aws-actions/configure-aws-credentials@v4.1.0
+      uses: aws-actions/configure-aws-credentials@v4.2.1
       with:
         aws-region: us-east-2
         role-to-assume: arn:aws:iam::123456789100:role/my-github-actions-role
@@ -413,13 +413,13 @@ environment variable and use it to assume the role
 ### AssumeRole with role previously assumed by action in same workflow
 ```yaml
     - name: Configure AWS Credentials
-      uses: aws-actions/configure-aws-credentials@v4.1.0
+      uses: aws-actions/configure-aws-credentials@v4.2.1
       with:
         aws-region: us-east-2
         role-to-assume: arn:aws:iam::123456789100:role/my-github-actions-role
         role-session-name: MySessionName
     - name: Configure other AWS Credentials
-      uses: aws-actions/configure-aws-credentials@v4.1.0
+      uses: aws-actions/configure-aws-credentials@v4.2.1
       with:
         aws-region: us-east-2
         role-to-assume: arn:aws:iam::987654321000:role/my-second-role
@@ -434,7 +434,7 @@ role, `arn:aws:iam::987654321000:role/my-second-role`.
 ### AssumeRole with static IAM credentials in repository secrets
 ```yaml
     - name: Configure AWS Credentials
-      uses: aws-actions/configure-aws-credentials@v4.1.0
+      uses: aws-actions/configure-aws-credentials@v4.2.1
       with:
         aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
         aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
@@ -453,7 +453,7 @@ name, like `role-to-assume: my-github-actions-role`.
 ```yaml
     - name: Configure AWS Credentials 1
       id: creds
-      uses: aws-actions/configure-aws-credentials@v4.1.0
+      uses: aws-actions/configure-aws-credentials@v4.2.1
       with:
         aws-region: us-east-2
         role-to-assume: arn:aws:iam::123456789100:role/my-github-actions-role
@@ -462,7 +462,7 @@ name, like `role-to-assume: my-github-actions-role`.
       run: |
         aws sts get-caller-identity
     - name: Configure AWS Credentials 2
-      uses: aws-actions/configure-aws-credentials@v4.1.0
+      uses: aws-actions/configure-aws-credentials@v4.2.1
       with:
         aws-region: us-east-2
         aws-access-key-id: ${{ steps.creds.outputs.aws-access-key-id }}