build(deps): update glib-sys requirement from 0.15.1 to 0.16.0 in /gst-depth-meta-rs

Updates the requirements on glib-sys to permit the latest version.

Commits

• 3e14408 Update glib-build-tools version to 0.16.0
• 1306bb7 Update to versioned dependencies
• f339fb1 Regenerate with latest gir
• c225f5c Update gir
• c27a5ad Merge pull request #800 from pentamassiv/Fix_doc_link
• 762ba4c Fixed clippy lints and warnings
• 4908f00 Merge pull request #799 from gdesmott/enum-class
• f2d2c75 implement FromValue on FlagsValue
• 0b452e7 implement FromValue on EnumValue
• 0dad655 Merge pull request #798 from sdroege/gir-update
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