GH-46167: [R][CI] Update Artifacts for R 4.5 in task.yml (#46168)

### Rationale for this change
R 4.5 was released, we use rel and old-rel for nightlies

### What changes are included in this PR?
Update the artifacts

### Are these changes tested?
Ci

### Are there any user-facing changes?
New nightly binaries
* GitHub Issue: #46167

Authored-by: Jacob Wujciak-Jens <jacob@wujciak.de>
Signed-off-by: Jacob Wujciak-Jens <jacob@wujciak.de>

Author: assignUser

dev/tasks/tasks.yml

@@ -533,12 +533,12 @@ tasks:
       - r-lib__libarrow__bin__darwin-arm64-openssl-3.0__arrow-{no_rc_r_version}\.zip
       - r-lib__libarrow__bin__darwin-x86_64-openssl-1.1__arrow-{no_rc_r_version}\.zip
       - r-lib__libarrow__bin__darwin-x86_64-openssl-3.0__arrow-{no_rc_r_version}\.zip
+      - r-pkg__bin__windows__contrib__4.5__arrow_{no_rc_r_version}\.zip
       - r-pkg__bin__windows__contrib__4.4__arrow_{no_rc_r_version}\.zip
-      - r-pkg__bin__windows__contrib__4.3__arrow_{no_rc_r_version}\.zip
+      - r-pkg__bin__macosx__big-sur-x86_64__contrib__4.5__arrow_{no_rc_r_version}\.tgz
       - r-pkg__bin__macosx__big-sur-x86_64__contrib__4.4__arrow_{no_rc_r_version}\.tgz
-      - r-pkg__bin__macosx__big-sur-x86_64__contrib__4.3__arrow_{no_rc_r_version}\.tgz
+      - r-pkg__bin__macosx__big-sur-arm64__contrib__4.5__arrow_{no_rc_r_version}\.tgz
       - r-pkg__bin__macosx__big-sur-arm64__contrib__4.4__arrow_{no_rc_r_version}\.tgz
-      - r-pkg__bin__macosx__big-sur-arm64__contrib__4.3__arrow_{no_rc_r_version}\.tgz
       - r-pkg__src__contrib__arrow_{no_rc_r_version}\.tar\.gz
 
 {% for which in ["strong", "most"] %}