Add perf annotations for CHPL_CACHE_REMOTE change/fix (#28975)

Add perf annotations (under `all`) for `CHPL_CACHE_REMOTE` move
regression and fix (#28869 and
#28949, respectively).

[reviewed by @benharsh and @dlongnecke-cray , thanks!]

Author: arifthpe

test/ANNOTATIONS.yaml

@@ -664,6 +664,10 @@ all:
   05/20/26:
     - text: Upgrade system LLVM to 22
       config: 1-node-a100
+  05/21/26:
+    - Move CHPL_CACHE_REMOTE into CHPL_RT_PRGINFO (#28869)
+  06/09/26:
+    - Restore CHPL_CACHE_REMOTE global const (#28949)
 
 # End all