Add specialized parsing function for utsname.release to std.SemanticVersion

[TibboddiT]

Some utsname.release values might not be fully semver compliant. For example, on one of my old android phones, uname returns this release version: 3.18.120-perf+ (see https://github.com/torvalds/linux/blob/8f5ae30d69d7543eee0d70083daf4de8fe15d585/scripts/setlocalversion#L197-L210).

This PR adds the SemanticVersion.parseUtsnameRelease function which handles versions ending with a '+' without a build version, adds / updates related tests, and updates system.zig.resolveTargetQuery to use the specialized function when populating os.version_range for relevant operating systems.

[TibboddiT]

Without this change, I was getting this error while trying to run zig test lib/std/SemanticVersion.zig:

lib/std/SemanticVersion.zig:323:70: error: expected type 'SemanticVersion', found 'SemanticVersion'
    const compatible = comptime @import("builtin").zig_version.order(older_version) == .gt;
                                                                     ^~~~~~~~~~~~~
lib/std/SemanticVersion.zig:1:1: note: struct declared here
//! A software version formatted according to the Semantic Versioning 2.0.0 specification.
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/tibbo/Builds/Zig/zig-x86_64-linux-0.16.0-dev.27+83f773fc6/lib/std/SemanticVersion.zig:1:1: note: struct declared here
/home/tibbo/Builds/Zig/zig-x86_64-linux-0.16.0-dev.27+83f773fc6/lib/std/SemanticVersion.zig:33:33: note: parameter type declared here
pub fn order(lhs: Version, rhs: Version) std.math.Order {
                                ^~~~~~~

[Vexu]

Looks like you didn't use --zig-lib-dir to test and ended up with two standard libraries.

[TibboddiT]

Sorry, messed up zig lib dir on my side. I will revert this change if the PR is accepted to avoid wasting CI resources.