Configured dependency version locking and updated Renovate auto-merge…

… rules.

**Added:**

- Renovate auto-merge rules - Specified version restrictions for `github.com/spf13/afero` and Go language version in `renovate/autoMerge.json5`.
- Version Lock - Locked `github.com/spf13/afero` version to `1.2.1` in `go.mod` and `magefiles/go.mod` to ensure compatibility and stability.

.github/renovate/autoMerge.json5

@@ -9,6 +9,17 @@
       "ignoreTests": true,
       "automergeType": "pr",
       "matchUpdateTypes": ["minor", "patch", "digest"]
-    }
+    },
+    {
+      "matchDatasources": ["go"],
+      "matchPackageNames": ["github.com/spf13/afero"],
+      "allowedVersions": "1.2.1"
+    },
+    {
+      "description": "Preserve Go 1.18",
+      "paths": ["go.mod"],
+      "matchDatasources": ["go-version"],
+      "allowedVersions": "1.18.x"
+    },
   ]
 }

go.mod

@@ -25,3 +25,6 @@ require (
 	golang.org/x/text v0.9.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 )
+
+// Lock afero to v1.2.1
+replace github.com/spf13/afero => github.com/spf13/afero v1.2.1

magefiles/go.mod

@@ -43,3 +43,6 @@ require (
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 	mvdan.cc/sh/v3 v3.6.0 // indirect
 )
+
+// Lock afero to v1.2.1
+replace github.com/spf13/afero => github.com/spf13/afero v1.2.1