chore: Update version to 1.0.0-a.0 and enable linker option only when not cross compiling

.github/workflows/src/windows_mozconfig

@@ -13,7 +13,6 @@ export MOZ_STUB_INSTALLER=1
 export MOZ_MAINTENANCE_SERVICE=
 
 export MOZ_PKG_FORMAT=TAR
-export MOZ_LTO=cross
 
 export CROSS_BUILD=1
 POLLY="-mllvm -polly -mllvm -polly-2nd-level-tiling -mllvm -polly-loopfusion-greedy -mllvm -polly-pattern-matching-based-opts -mllvm -polly-position=before-vectorizer -mllvm -polly-vectorizer=stripmine"
@@ -25,7 +24,6 @@ export MOZ_STUB_INSTALLER=1
 export WINEDEBUG=-all
 export WINE="$TOOLS/wine/bin/wine64"
 
-ac_add_options --enable-lto=cross,full
 ac_add_options --enable-release
 ac_add_options --enable-rust-simd
 ac_add_options RUSTC_OPT_LEVEL=3

configs/linux/mozconfig

@@ -2,7 +2,6 @@
 # not when cross compiling
 if ! test "$ZEN_CROSS_COMPILING"; then
     if test "$ZEN_RELEASE"; then
-        ac_add_options --enable-lto=full
         ac_add_options --enable-optimize="-march=x86-64 -msse3 -mtune=haswell -O3 -w"
         ac_add_options --enable-release
         ac_add_options --enable-rust-simd

surfer.json

@@ -27,7 +27,7 @@
       "brandShortName": "Zen Browser",
       "brandFullName": "Zen Browser",
       "release": {
-        "displayVersion": "1.0.0-a.1",
+        "displayVersion": "1.0.0-a.0",
         "github": {
           "repo": "zen-browser/desktop"
         },