build(deps): Bump regclient/actions/regctl-installer

Bumps [regclient/actions/regctl-installer](https://github.com/regclient/actions) from 148669fe4b19151fcab6e00c6df2db43b9e2b097 to 4b4db1dcc7dad75ad67a788a380f75a20cc8a040.
- [Release notes](https://github.com/regclient/actions/releases)
- [Changelog](https://github.com/regclient/actions/blob/main/RELEASE.md)
- [Commits](regclient/actions@148669f...4b4db1d)

---
updated-dependencies:
- dependency-name: regclient/actions/regctl-installer
  dependency-version: 4b4db1dcc7dad75ad67a788a380f75a20cc8a040
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/forward-compatibility.yaml

@@ -35,7 +35,7 @@ jobs:
       - uses: actions/checkout@v7
 
       - name: Install regctl
-        uses: regclient/actions/regctl-installer@148669fe4b19151fcab6e00c6df2db43b9e2b097
+        uses: regclient/actions/regctl-installer@4b4db1dcc7dad75ad67a788a380f75a20cc8a040
         with:
           release: v0.11.3
 

.github/workflows/release.yaml

@@ -69,7 +69,7 @@ jobs:
       - uses: actions/checkout@v7
         name: Check out code
       - name: Install regctl
-        uses: regclient/actions/regctl-installer@148669fe4b19151fcab6e00c6df2db43b9e2b097
+        uses: regclient/actions/regctl-installer@4b4db1dcc7dad75ad67a788a380f75a20cc8a040
         with:
           release: v0.11.3
       - name: Retag gpu-operator