subprojects: update proc-macro2 and syn

syn 2.0.69 adds Punctuated::get().  The serde and attrs crate also need
a newer version.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

subprojects/packagefiles/proc-macro2-1-rs/meson.build

@@ -1,6 +1,6 @@
 project('proc-macro2-1-rs', 'rust',
   meson_version: '>=1.5.0',
-  version: '1.0.84',
+  version: '1.0.95',
   license: 'MIT OR Apache-2.0',
   default_options: [])
 

subprojects/packagefiles/syn-2-rs/meson.build

@@ -1,6 +1,6 @@
 project('syn-2-rs', 'rust',
   meson_version: '>=1.5.0',
-  version: '2.0.66',
+  version: '2.0.104',
   license: 'MIT OR Apache-2.0',
   default_options: [])
 

subprojects/proc-macro2-1-rs.wrap

@@ -1,8 +1,8 @@
 [wrap-file]
-directory = proc-macro2-1.0.84
-source_url = https://crates.io/api/v1/crates/proc-macro2/1.0.84/download
-source_filename = proc-macro2-1.0.84.0.tar.gz
-source_hash = ec96c6a92621310b51366f1e28d05ef11489516e93be030060e5fc12024a49d6
+directory = proc-macro2-1.0.95
+source_url = https://crates.io/api/v1/crates/proc-macro2/1.0.95/download
+source_filename = proc-macro2-1.0.95.0.tar.gz
+source_hash = 02b3e5e68a3a1a02aad3ec490a98007cbc13c37cbe84a3cd7b8e406d76e7f778
 #method = cargo
 patch_directory = proc-macro2-1-rs
 

subprojects/syn-2-rs.wrap

@@ -1,8 +1,8 @@
 [wrap-file]
-directory = syn-2.0.66
-source_url = https://crates.io/api/v1/crates/syn/2.0.66/download
-source_filename = syn-2.0.66.0.tar.gz
-source_hash = c42f3f41a2de00b01c0aaad383c5a45241efc8b2d1eda5661812fda5f3cdcff5
+directory = syn-2.0.104
+source_url = https://crates.io/api/v1/crates/syn/2.0.104/download
+source_filename = syn-2.0.104.0.tar.gz
+source_hash = 17b6f705963418cdb9927482fa304bc562ece2fdd4f616084c50b7023b435a40
 #method = cargo
 patch_directory = syn-2-rs