Update READMEs for 1.2.0

Author: lnhrdt

README.md

@@ -4,4 +4,6 @@ A collection of GitHub Actions from Code Bandits.
 
 ## Actions
 
-[load-env](load-env/): Provides .env key-value pairs as outputs for use in workflows.
+- [load-env](load-env/): Provides .env key-value pairs as outputs for use in workflows.
+- [next-image-tag-number](next-image-tag-number/): Calculates the next sequential tag for an image in an OCI repository.
+- [set-imgpkg-bundle-as-vendir-path](set-imgpkg-bundle-as-vendir-path/): Sets an [imgpkg](https://carvel.dev/imgpkg/) bundle image as a [vendir](https://carvel.dev/vendir/) path.

next-image-tag-number/README.md

@@ -15,7 +15,7 @@ jobs:
 
       - name: Get Next Image Tag Number
         id: next-tag
-        uses: codebandits/github-actions/next-image-tag-number@main
+        uses: codebandits/github-actions/next-image-tag-number@v1
         with:
           image_repository_url: registry.example.com/repository/image
           bearer_token: ${{ secrets.REPO_BEARER_TOKEN }}

set-imgpkg-bundle-as-vendir-path/README.md

@@ -35,7 +35,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Update latest release channel
-        uses: codebandits/github-actions/set-imgpkg-bundle-as-vendir-path@main
+        uses: codebandits/github-actions/set-imgpkg-bundle-as-vendir-path@v1
         with:
           channel_name: latest
           imgpkg_bundle_image: registry.example.com/repository/bundle:build-2