Restore k8s based bumper (#12183)

* Update the bumper to use k8s package

* Setup exisitng bumpers to use new autobumper

* Fix bumper

* Fix configuring git

cmd/image-autobumper/Dockerfile

@@ -22,6 +22,6 @@ LABEL io.kyma-project.source=github.com/kyma-project/test-infra/cmd/image-autobu
 # Copy the built Go app from the builder stage
 COPY --from=builder /app/cmd/image-autobumper/main /image-autobumper
 
-RUN apk add --no-cache ca-certificates && \
+RUN apk add --no-cache ca-certificates git && \
     chmod +x /image-autobumper
 ENTRYPOINT ["/image-autobumper"]

cmd/image-autobumper/main.go

@@ -142,12 +142,12 @@ func (c *client) Changes() []func(context.Context) (string, []string, error) {
 }
 
 // PRTitleBody returns the body of the PR, this function runs after each commit
-func (c *client) PRTitleBody() (string, string, error) {
+func (c *client) PRTitleBody() (string, string) {
 	body := generatePRBody(c.images, c.o.Prefixes)
 	if c.o.AdditionalPRBody != "" {
 		body += c.o.AdditionalPRBody + "\n"
 	}
-	return makeCommitSummary(c.o.Prefixes, c.versions), body, nil
+	return makeCommitSummary(c.o.Prefixes, c.versions), body
 }
 
 var rootCmd = &cobra.Command{

cmd/image-detector/main.go

@@ -154,8 +154,8 @@ func (c *client) Changes() []func(context.Context) (string, []string, error) {
 }
 
 // PRTitleBody returns the body of the PR, this function runs after each commit
-func (c *client) PRTitleBody() (string, string, error) {
-	return "Update sec-scanners-config.yaml", "", nil
+func (c *client) PRTitleBody() (string, string) {
+	return "Update sec-scanners-config.yaml", ""
 }
 
 // options is the options for autobumper operations.

cmd/markdown-index/main.go

@@ -34,8 +34,8 @@ func (c *client) Changes() []func(context.Context) (string, []string, error) {
 }
 
 // PRTitleBody returns the body of the PR, this function runs after each commit
-func (c *client) PRTitleBody() (string, string, error) {
-	return "Update index.md", "", nil
+func (c *client) PRTitleBody() (string, string) {
+	return "Update index.md", ""
 }
 
 // options is the options for autobumper operations.