tagbot + manual tag multidocs rebuild trigger (#217)

[Diff since v0.8.0](v0.8.0...v0.8.1)

* NT, DTO bump supporting integrators indexed by knot point
* Relaxes some bounds typing in problem templates

Breaking changes:

**Merged pull requests:**
- NT and DTO bump (#208) (@andgoldschmidt)

[Diff since v0.7.2](v0.7.2...v0.8.0)

* Adds free phase problem template
* Removes interpolations (to be NT ext)
* Adds leakage constraints

* Updates named trajectory to parametric type

**Merged pull requests:**
- Feature/free phase (#197) (@andgoldschmidt)
- Increase codecov coverage to 80%, or higher (#205) (@martin-klacan)
- Update CI.yml (#206) (@andgoldschmidt)
- [Feature]: Leakage suppression objective (#207) (@martin-klacan)

**Closed issues:**
- [Feature]: Set named trajectory free time data to hold total time at final index (#84)
- [Feature]: Adding Engaging Visual Elements/Map in Documentation (#94)
- [Feature]: Embedded operators for control problems and fidelity (#115)
- [Benchmark]: Exponential derivatives improvement (#143)
- [Feature]: Interactive notebooks, animations, and Pluto.jl (#146)
- [Feature]: An extension package for QuantumOptics.jl (#147)
- [Feature]: Integrator norm checks and warnings (#159)
- [Feature]: Change Interpolations.jl to DataInterpolations.jl (#175)
- [Bug]: Initializing UnitarySmoothPulseProblem delta t with vector (#195)
- [Bug/Feature]: PiccoloOptions will not propagate to min time (#202)
- [Feature]: Leakage suppression objective (#203)
- Increase codecov coverage to 80%, or higher 😄 (#204)

[Diff since v0.6.0](v0.6.0...v0.7.2)

**Merged pull requests:**
- use harmoniqs org url (#186) (@jack-champagne)
- fix pervasive documenter issues (#188) (@jack-champagne)
- Refactor/direct collocation backend (#189) (@andgoldschmidt)
- Added Problem Template for Sensitivity Problems  (#190) (@BBhattacharyya1729)
- Feature/variational (#191) (@andgoldschmidt)
- v0.7.1 (#192) (@andgoldschmidt)
- Update TagBot.yml (#196) (@jack-champagne)

**Closed issues:**
- [Bug]: Objective constructors have bad initial keyword args (#68)
- [Feature]: callbacks in Ipopt.jl (#127)
- [Feature]: Automated gradient testing (#144)
- [Feature]: Convert objectives to constraints  (#145)
- [Feature]: Adjoint integrator (#148)

DirectTrajOpt refactor

[Diff since v0.5.1](v0.5.1...v0.6.0)

- moved rollout functionality to PiccoloQuantumObjects.jl
- moved direct sum utils to PiccoloQuantumObjects.jl and QuantumCollocationCore.jl
- cleaned up dependencies

**Merged pull requests:**
- Feature/mutlidocs refactor (#178) (@andgoldschmidt)

[Diff since v0.5.0](v0.5.0...v0.5.1)

[Diff since v0.3.2](v0.3.2...v0.5.0)

- Backend optimizer code and utilities split off into seperate package (see QuantumCollocationCore.jl, and PiccoloQuantumObjects.jl)

**Merged pull requests:**
- core peeloff (#173) (@aarontrowbridge)

**Closed issues:**
- [Feature]: Peel off core functionality into QuantumCollocationCore.jl package (#163)

[Diff since v0.3.1](v0.3.1...v0.3.2)

Trajectory merge
Replace trajectory direct sum with merge
Use merge during trajectory initialization

**Merged pull requests:**
- Feature: Ipopt callbacks (#157) (@jack-champagne)
- Fix & update gitignore (#158) (@jack-champagne)
- Feat state sampling (#165) (@andgoldschmidt)
- bug fix: a_guess option (#166) (@andgoldschmidt)
- Fix free phase objectives (#167) (@andgoldschmidt)
- fix typing at rollouts (#168) (@andgoldschmidt)
- rm vscode settings (#169) (@andgoldschmidt)
- Feature/merge trajectories (#170) (@andgoldschmidt)
- roll back v0.3.2 (#171) (@andgoldschmidt)

**Closed issues:**
- [Feature]: Quantum state problem with quantum sampling problem (#164)