It takes several (6+) minutes to add a single package to my default Julia environment. What’s going wrong?

```
(@v1.6) pkg> add https://github.com/TakekazuKATO/TailRec.jl
Cloning git-repo `https://github.com/TakekazuKATO/TailRec.jl`
Updating git-repo `https://github.com/TakekazuKATO/TailRec.jl`
Resolving package versions...
Installed libsndfile_jll ─ v1.0.31+1
Installed GLFW_jll ─────── v3.3.5+1
Downloaded artifact: libsndfile
Downloaded artifact: libsndfile
Downloaded artifact: GLFW
Updating `~/.julia/environments/v1.6/Project.toml`
[f6209947] + TailRec v0.2.0 `https://github.com/TakekazuKATO/TailRec.jl#master`
Updating `~/.julia/environments/v1.6/Manifest.toml`
[f6209947] + TailRec v0.2.0 `https://github.com/TakekazuKATO/TailRec.jl#master`
[0656b61e] ↑ GLFW_jll v3.3.5+0 ⇒ v3.3.5+1
[5bf562c0] ↑ libsndfile_jll v1.0.31+0 ⇒ v1.0.31+1
Precompiling project...
? DocSeeker
? TestImages
? Atom
57 dependencies successfully precompiled in 373 seconds (334 already precompiled)
3 dependencies failed but may be precompilable after restarting julia
```

also

```
(@v1.6) pkg> status
Status `~/.julia/environments/v1.6/Project.toml`
[c52e3926] Atom v0.12.35
[6e4b80f9] BenchmarkTools v1.2.0
[ad839575] Blink v0.12.5
[35d6a980] ColorSchemes v3.15.0
[3da002f7] ColorTypes v0.11.0 `~/.julia/dev/ColorTypes`
[5ae59095] Colors v0.12.8
[861a8166] Combinatorics v1.0.2
[717857b8] DSP v0.6.10
[a93c6f00] DataFrames v1.2.2
[864edb3b] DataStructures v0.18.10
[31c24e10] Distributions v0.25.17
[a5dba43e] DynamicGrids v0.20.1
[09f84164] HypothesisTests v0.10.4
[916415d5] Images v0.24.1
[c8e1da08] IterTools v1.3.0
[e5e0dc1b] Juno v0.8.4
[b964fa9f] LaTeXStrings v1.2.1
[984bce1d] LambertW v0.4.5
[093fc24a] LightGraphs v1.3.5
[4f449596] MatrixNetworks v1.0.2
[cc649173] MiniFB v0.1.1
[5f95e7b2] NativeSVG v0.1.0 `https://github.com/BenLauwens/NativeSVG.jl.git#master`
[6fe1bfb0] OffsetArrays v1.10.7
[d96e819e] Parameters v0.12.3
[14b8a8f1] PkgTemplates v0.7.20
[f0f68f2c] PlotlyJS v0.18.8
[91a5bcdd] Plots v1.22.3
[80ea8bcb] PortAudio v1.1.2
[d330b81b] PyPlot v2.10.0
[e6cf234a] RandomNumbers v1.5.3
[295af30f] Revise v3.1.20
[bd7594eb] SampledSignals v2.1.2
[a2af1166] SortingAlgorithms v1.0.1 `~/.julia/dev/SortingAlgorithms`
[07e3d4f1] SortingNetworks v0.3.2
[90137ffa] StaticArrays v1.2.13
[2913bbd2] StatsBase v0.33.11
[f3b207a7] StatsPlots v0.14.28
[f6209947] TailRec v0.2.0 `https://github.com/TakekazuKATO/TailRec.jl#master`
[5e47fb64] TestImages v1.6.1
[50d962a5] TriplePendulums v0.1.0 `~/.julia/dev/TriplePendulums`
[d6d074c3] VideoIO v0.9.4
[8149f6b0] WAV v1.1.1
[8bb1440f] DelimitedFiles
[10745b16] Statistics
[8dfed614] Test
```

Perhaps excessive precompile invalidation?