Move scripts in etc into etc/scripts

Since there are more items in `etc` now, this may help to find
things more easily.

Author: EliahKagan

.github/workflows/ci.yml

@@ -533,7 +533,7 @@ jobs:
         os:
           - ubuntu-latest
           # We consider this script read-only and its effect is the same everywhere.
-          # However, when changes are made to `etc/copy-packetline.sh`, re-enable the other platforms for testing.
+          # However, when changes are made to `etc/scripts/copy-packetline.sh`, re-enable the other platforms for testing.
     #       - macos-latest
     #       - windows-latest
 
@@ -554,7 +554,7 @@ jobs:
           git status
           git diff --exit-code
       - name: Regenerate gix-packetline-blocking/src
-        run: etc/copy-packetline.sh
+        run: etc/scripts/copy-packetline.sh
       - name: Check that gix-packetline-blocking/src was already up to date
         run: |
           set -x

etc/check-package-size.sh renamed to etc/scripts/check-package-size.sh

@@ -239,7 +239,7 @@ cross-test-android: (cross-test 'armv7-linux-androideabi' '--no-default-features
 
 # Run `cargo diet` on all crates to see that they are still in bounds
 check-size:
-    etc/check-package-size.sh
+    etc/scripts/check-package-size.sh
 
 # Report the Minimum Supported Rust Version (the `rust-version` of `gix`) in X.Y.Z form
 msrv: (query-meta '''
@@ -295,11 +295,11 @@ check-mode:
 
 # Delete `gix-packetline-blocking/src` and regenerate from `gix-packetline/src`
 copy-packetline:
-    etc/copy-packetline.sh
+    etc/scripts/copy-packetline.sh
 
 # Get the unique `v*` tag at `HEAD`, or fail with an error
 unique-v-tag:
-    etc/unique-v-tag.sh
+    etc/scripts/unique-v-tag.sh
 
 # Trigger the `release.yml` workflow on the current `v*` tag
 run-release-workflow repo='':