Can't Download GLFW during Pkg.update

MY hunch is that the problem was on the server-side. I didn’t have to do anything other than wait 2 days for this to fix itself.

(@v1.5) pkg> update
   Updating registry at `C:\Users\jason\.julia\registries\General`
  Installed URIs ─ v1.1.0
  Installed HTTP ─ v0.9.2
  Installed GR ─── v0.49.1
Updating `C:\Users\jason\.julia\environments\v1.5\Project.toml`
  [5ae59095] ↑ Colors v0.12.4 ⇒ v0.12.6
  [8f4d0f93] ↑ Conda v1.4.1 ⇒ v1.5.0
  [a93c6f00] ↑ DataFrames v0.21.8 ⇒ v0.22.2
  [7073ff75] ↑ IJulia v1.22.0 ⇒ v1.23.1
  [91a5bcdd] ↑ Plots v1.7.3 ⇒ v1.9.1
Updating `C:\Users\jason\.julia\environments\v1.5\Manifest.toml`
  [324d7699] ↑ CategoricalArrays v0.8.3 ⇒ v0.9.0
  [35d6a980] ↑ ColorSchemes v3.10.1 ⇒ v3.10.2
  [5ae59095] ↑ Colors v0.12.4 ⇒ v0.12.6
  [34da2185] ↑ Compat v3.23.0 ⇒ v3.25.0
  [8f4d0f93] ↑ Conda v1.4.1 ⇒ v1.5.0
  [d38c429a] ↑ Contour v0.5.5 ⇒ v0.5.7
  [a93c6f00] ↑ DataFrames v0.21.8 ⇒ v0.22.2
  [59287772] ↑ Formatting v0.4.1 ⇒ v0.4.2
  [28b8d3ca] ↓ GR v0.52.0 ⇒ v0.49.1
  [5c1252a2] ↑ GeometryBasics v0.3.3 ⇒ v0.3.5
  [4d00f742] - GeometryTypes v0.8.3
  [cd3eb016] ↑ HTTP v0.8.19 ⇒ v0.9.2
  [7073ff75] ↑ IJulia v1.22.0 ⇒ v1.23.1
  [23fbe1c1] ↑ Latexify v0.14.2 ⇒ v0.14.7
  [77ba4419] ↑ NaNMath v0.3.4 ⇒ v0.3.5
  [69de0a69] ↑ Parsers v1.0.11 ⇒ v1.0.15
  [995b91a9] ↑ PlotUtils v1.0.7 ⇒ v1.0.8
  [91a5bcdd] ↑ Plots v1.7.3 ⇒ v1.9.1
  [08abe8d2] + PrettyTables v0.10.1
  [3cdcf5f2] ↑ RecipesBase v1.1.0 ⇒ v1.1.1
  [01d81517] ↑ RecipesPipeline v0.1.13 ⇒ v0.2.1
  [ae029012] ↑ Requires v1.1.0 ⇒ v1.1.2
  [90137ffa] ↑ StaticArrays v0.12.5 ⇒ v1.0.1
  [856f2bd8] ↑ StructTypes v1.1.0 ⇒ v1.2.1
  [bd369af6] ↑ Tables v1.1.0 ⇒ v1.2.2
  [5c2747f8] + URIs v1.1.0
   Building GR → `C:\Users\jason\.julia\packages\GR\cRdXQ\deps\build.log`

(@v1.5) pkg> update
   Updating registry at `C:\Users\jason\.julia\registries\General`
No Changes to `C:\Users\jason\.julia\environments\v1.5\Project.toml`
No Changes to `C:\Users\jason\.julia\environments\v1.5\Manifest.toml`