manifest: Set snapshot tags before rebasing OSS repositories

Update Zephyr and mcuboot revisions with snapshot tags.

Signed-off-by: Robert Lubos <[email protected]>

Author: rlubos

west.yml

@@ -72,7 +72,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: 97c23d694e913a53f47086ba2c937bbd3a4e8014
+      revision: v3.7.99-ncs1-snapshot1
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above
@@ -132,7 +132,7 @@ manifest:
           compare-by-default: true
     - name: mcuboot
       repo-path: sdk-mcuboot
-      revision: ae07a335ffb581a4d4dc43324bb0261e12728deb
+      revision: v2.1.0-ncs2-snapshot1
       path: bootloader/mcuboot
     - name: qcbor
       url: https://github.com/laurencelundblade/QCBOR